APA-referens (7:e uppl.)

Williams, J. F. (1930). Hygiene and sanitation: The essentials of modern health care (2nd ed., rev.). W.B. Saunders company.

Chicago-referens (17:e uppl.)

Williams, Jesse Feiring. Hygiene and Sanitation: The Essentials of Modern Health Care. 2nd ed., rev. Philadelphia ; London: W.B. Saunders company, 1930.

MLA-referens (8:e uppl.)

Williams, Jesse Feiring. Hygiene and Sanitation: The Essentials of Modern Health Care. 2nd ed., rev. W.B. Saunders company, 1930.